[INFO] cloning repository https://github.com/AndWass/lwm2m-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndWass/lwm2m-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Flwm2m-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Flwm2m-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca7368112e6583c23ee77575b47d29789dfab2db
[INFO] checking AndWass/lwm2m-rs against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Flwm2m-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndWass/lwm2m-rs
[INFO] finished tweaking git repo https://github.com/AndWass/lwm2m-rs
[INFO] tweaked toml for git repo https://github.com/AndWass/lwm2m-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndWass/lwm2m-rs on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22cfd0aaf116743c3cd57bdec68344c2da9a32049864e9b3005ad8e25397870e
[INFO] running `Command { std: "docker" "start" "-a" "22cfd0aaf116743c3cd57bdec68344c2da9a32049864e9b3005ad8e25397870e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22cfd0aaf116743c3cd57bdec68344c2da9a32049864e9b3005ad8e25397870e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cfd0aaf116743c3cd57bdec68344c2da9a32049864e9b3005ad8e25397870e", kill_on_drop: false }`
[INFO] [stdout] 22cfd0aaf116743c3cd57bdec68344c2da9a32049864e9b3005ad8e25397870e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f653285683fb8a8b5360d5f8f451e4843e3c5efe13faef541b8103528113ab57
[INFO] running `Command { std: "docker" "start" "-a" "f653285683fb8a8b5360d5f8f451e4843e3c5efe13faef541b8103528113ab57", kill_on_drop: false }`
[INFO] [stderr]     Checking lwm2m v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `client::Client`
[INFO] [stdout]  --> src/coap.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use client::Client;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `client::Client`
[INFO] [stdout]  --> src/coap.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use client::Client;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/bootstrap.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Request {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]  --> src/coap/client.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Client {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Option` is never constructed
[INFO] [stdout]  --> src/coap/message.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Option {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_string` is never used
[INFO] [stdout]  --> src/coap/message.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Option {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn new_string(id: u16, string: String) -> Option {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptionBucket` is never constructed
[INFO] [stdout]   --> src/coap/message.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct OptionBucket {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `encode_to`, and `push` are never used
[INFO] [stdout]   --> src/coap/message.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl OptionBucket {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 22 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn encode_to(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn push(&mut self, option: Option) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/coap/message.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]   --> src/coap/message.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Message {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode_to` is never used
[INFO] [stdout]   --> src/coap/message.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 83 |     pub fn encode_to(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/bootstrap.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Request {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]  --> src/coap/client.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Client {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode_to` is never used
[INFO] [stdout]   --> src/coap/message.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl OptionBucket {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn encode_to(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/coap/message.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]   --> src/coap/message.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Message {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode_to` is never used
[INFO] [stdout]   --> src/coap/message.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 83 |     pub fn encode_to(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f653285683fb8a8b5360d5f8f451e4843e3c5efe13faef541b8103528113ab57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f653285683fb8a8b5360d5f8f451e4843e3c5efe13faef541b8103528113ab57", kill_on_drop: false }`
[INFO] [stdout] f653285683fb8a8b5360d5f8f451e4843e3c5efe13faef541b8103528113ab57
